Finding the Fourth Proportional to 7,483,972.76, 10,327,263.80 and 4,221,589.32
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Solution
The fourth proportional to 7,483,972.76, 10,327,263.80 and 4,221,589.32 is: 5,825,444.32
Step by Step Solution
- Step 1: Write the proportion equation
7,483,972.76 : 10,327,263.80 = 4,221,589.32 : x - Step 2: Convert to fraction form
7,483,972.76/10,327,263.80 = 4,221,589.32/x - Step 3: Cross multiply
7,483,972.76x = 10,327,263.80 × 4,221,589.32 - Step 4: Simplify right side
7,483,972.76x = 43,597,466,541,794.67 - Step 5: Solve for x
x = 43,597,466,541,794.67/7,483,972.76 - Step 6: Final answer
x = 5,825,444.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.